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Erschienen in:
01.01.2016 | Original Article
Gender differences in patients scheduled for lumbar disc herniation surgery: a National Register Study including 15,631 operations
Erschienen in: European Spine Journal | Ausgabe 1/2016
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Purpose
Previous studies have shown gender differences in preoperative status and outcome of spine surgery. This study explores whether gender differences in preoperative demographics exist in patients scheduled for lumbar disc herniation (LDH) surgery.
Methods
This study includes the preoperative data of the 15,631 patients operated for LDH between years 2000 and 2010, registered in the national Swedish spine register (SweSpine). We analysed preoperative gender differences in age, smoking habits, walking distance, consumption of analgesics, back and leg pain (Visual Analogue Scale; VAS), quality of life (EuroQol; EQ 5D and Short Form-36 Questionnaire; SF-36) and disability (Oswestry Disability Index; ODI).
Results
44 % of the patients were women (mean age 45 ± 13) and 56 % men (mean age 44 ± 13). More women than men were smokers (26 versus 21 %, p < 0.001). Women also reported inferior walking ability (less than 100 metre walking ability 37 vs 30 %; p < 0.001), consumed more analgesics (92 versus 84 %; p < 0.001), reported higher level of pain (mean difference VAS leg 6 (95 % CI 5–7)), had inferior health-related quality of life (mean difference EQ 5D 0.07 (95 % CI 0.05–0.08)) and had higher disability (mean difference ODI 6 (95 % CI 5–6)).
Conclusions
Women scheduled for LDH surgery report inferior clinical status than men scheduled for the same operation. We have in the literature found no evidence-based data that support such a difference, and the reason for the discrepancy is unclear.